删除尚有连接的PG数据库
执行如下语句
SELECT pg_terminate_backend(pg_stat_activity.pid)
FROM pg_stat_activity
WHERE datname='testdb' AND pid<>pg_backend_pid();
SELECT pg_terminate_backend(pg_stat_activity.pid)
FROM pg_stat_activity
WHERE datname='testdb' AND pid<>pg_backend_pid();